No. 6209-2/9

LB11985H

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

RL =

∞, VCTL = 0 V (quiescent mode)

10

15

mA

[Output]

Output saturation voltage

2.2

2.7

V

VCTL = VLIM = 5 V (with saturation prevention)

2.8

3.7

V

VCTL = VLIM = 5 V (with saturation prevention)

Output leakage current

1.0

mA

[FR]

FR pin input

14

V

Threshold voltage

FR pin input

Ib (FR)

VFR = 5 V

100

150

µA

Input bias current

[BR]

BR pin input

14

V

Threshold voltage

BR pin input

Ib (BR)

VBR = 5 V

100

150

µA

Input bias current

[Control]

CTLREF pin voltage

2.0

2.15

2.3

V

CTLREF pin input range

1

4

V

CTL pin input bias current

Ib (CTL)

VCTL = 5 V, with CTLREF open

5

µA

CTL pin control start voltage

Rf = 0.5

Ω, VLIM = 5 V, Io ≥ 40 mA

2.0

2.2

2.4

V

With the Hall input logic states fixed (U, V, W = high, high, low)

CTL pin control Gm

Rf = 0.5

Ω, ∆Io = 200 mA

1.8

2.25

2.7

V

With the Hall input logic states fixed (U, V, W = high, high, low)

[Current Limiter]

LIM current limit offset voltage

Rf = 0.5

Ω, VCTL = 5 V, Io ≥ 40 mA

80

200

320

mV

With the Hall input logic states fixed (U, V, W = high, high, low)

LIM pin input bias current

Ib (LIM)

VCTL = 5 V,VREF: OPEN, VLIM = 0 V

–2

–1

µA

LIM pin current limit level

Gm (LIM)

Rf = 0.5

Ω, VCTL = 5 V

0.37

0.47

0.57

mA

With the Hall input logic states fixed (U, V, W = high, high, low)

[Hall Amplifier]

Input offset voltage

–6

+6

mV

Input bias current

1.0

3.0

µA

Common-mode input voltage

1.3

3.3

V

Torque ripple correction ratio

TRC

At the bottom and peak that occur in the Rf

14.5

%

waveform at 200 mA (Rf = 0.5

Ω)

[FG Amplifier]

FG amplifier input offset voltage

–8

+8

mV

FG amplifier input bias current

–100

nA

FG amplifier output saturation voltage

For the sink side, at the internal pull-up resistor

0.4

0.55

V

FG amplifier common-mode input voltage

1.0

4.0

V

[Saturation]

Saturation prevention circuit

0.13

0.25

0.42

V

lower side set voltage

The voltages between the OUT-Rf pairs at full wave.

[Schmitt Amplifier]

Duty

DUTY

49

50

51

%

Upper side output saturation voltage

4.8

V

Lower side output saturation voltage

0.2

V

Hysteresis

Vhys

45

mV

TSD operating temperature

T-TSD

180

°C

TSD hysteresis

∆T-TSD

15

°C

Note *1 : The ratings are just the measured value with no margin afforded.

*2 : Items shown to be design target values in the conditions column are not measured.